A very rough estimate: World wide Bitcoin mining operation spends per year around 60% as much electricity as all of USA's bank offices:
https://news.ycombinator.com/item?id=15615601
With Bitcoin mining there is a high incentive to actually use renewable energy sources and could be physically outsourced to places where building green power plants is otherwise not practical due to the limits of creating a power grid to make such a power plant profitable.
A very rough estimate: World wide Bitcoin mining operation spends per year around 60% as much electricity as all of USA's bank offices: https://news.ycombinator.com/item?id=15615601
With Bitcoin mining there is a high incentive to actually use renewable energy sources and could be physically outsourced to places where building green power plants is otherwise not practical due to the limits of creating a power grid to make such a power plant profitable.